862081 has 8 divisors (see below), whose sum is σ = 950400. Its totient is φ = 775440.

The previous prime is 862067. The next prime is 862097. The reversal of 862081 is 180268.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 862081 - 2¹³ = 853889 is a prime.

It is a super-2 number, since 2×862081² = 1486367301122, which contains 22 as substring.

862081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (862031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840 + ... + 1558.

It is an arithmetic number, because the mean of its divisors is an integer number (118800).

2⁸⁶²⁰⁸¹ is an apocalyptic number.

It is an amenable number.

862081 is a deficient number, since it is larger than the sum of its proper divisors (88319).

862081 is a wasteful number, since it uses less digits than its factorization.

862081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 862081 is about 928.4831716299. The cubic root of 862081 is about 95.1734964354.

The spelling of 862081 in words is "eight hundred sixty-two thousand, eighty-one".